Irving Fisher

FiIrving Fisherr was also a strong believer in the now-discredited "focal sepsis" theory of physician Henry Cotton who believed that mental illness was attributable to infectious material residing in the roots of the teeth recesses in the bowels and other places in the human body and that surgical removal of this infectious material would cure the patient's mental disorder. Irving then supported his mother brother and himself mainly by tutoring. FiIrving Fisherr believed in these theories so thoroughly that when his daughter Margaret FiIrving Fisherr was diagnosed with schizophrenia FiIrving Fisherr had numerous sections of his daughter's bowel and colon removed at Dr.

FiIrving Fisherr made important contributions to utility theory and general equilibrium. "
FiIrving Fisherr was perhaps the first celebrity economist but his reputation during his lifetime was irreparably harmed by his public statements just prior to the Wall Street Crash of 1929 claiming that the stock market had reached "a permanently high plateau. His research on the quantity theory of money inaugurated the school of macroeconomic thought known as "monetarism.